

If you say OK to this the Add-in will go into the disabled items list. not part of basic MS Office functionality then you may be able to resolve the issue as follows: Check for Disabled Itemsĭisabled items can occur if the application you are working in encounters an error, it may then issue an alert message box that will inform you it wants to disable the item. If the item you are missing is an add-in i.e.

Have icons/tools disappeared from your MS Office Toolbar?
